CATV telephone system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5767895
SERIAL NO

08535616

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A CATV telephone system includes a center device and a plurality of terminal devices connected by wired communication lines. The center device receives a request data from the terminal device, examines the frequency bands and the time slots currently occupied, allocates non-busy frequency bands and non-busy time slots to the transmission frequency band, the transmission time slot, the reception frequency band and the reception time slot, and notifies the allocation to the terminal device. Then, the terminal device transmits telephone data to the center device using the transmission frequency band and the transmission time slot designated by the center device, and receives telephone data from the center device using the reception frequency band and the reception time slot designated by the center device.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
PIONEER ELECTRONIC CORPORATION4-1 MEGURO 1-CHOME MEGURO-KU TOKYO 153

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sasada, Tetsuichiro Ichikawa, JP 4 67
Yashiro, Kenji Tokyo-to, JP 17 652

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